– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Thu 08 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 08 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 08 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow giving way to moderate rain (total 17mm) heaviest on Sat night. Mild temperatures (max 6°C on Sat morning, min 1°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 51mm), heaviest during Sun night. Very mild (max 11°C on Tue morning, min 5°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | |  | |  |  |  |  | | | | | |  | |
light snow | light snow | light rain | rain shwrs | some clouds | light rain | light rain | light rain | mod. rain | mod. rain | heavy rain | heavy rain | mod. rain | light rain | light rain | some clouds | rain shwrs | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 4 | 0.1 | — | 0.2 | 0.4 | 4 | 9 | 9 | 14 | 22 | 6 | 0.8 | 0.6 | — | 0.1 | — | |
max °C | 1 | 2 | 3 | 4 | 3 | 5 | 6 | 5 | 5 | 5 | 5 | 7 | 8 | 8 | 9 | 11 | 10 | 10 |
min °C | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 3 | 3 | 5 | 5 | 5 | 7 | 8 | 8 | 9 | 10 | 9 |
-2 | -2 | 1 | 3 | 2 | 3 | 2 | 0 | 0 | 2 | 2 | 2 | 6 | 8 | 8 | 9 | 10 | 9 | |
600 | 750 | 950 | 1050 | 1400 | 1950 | 1800 | 1650 | 1650 | 1750 | 1750 | 2000 | 2400 | 2400 | 2700 | 2700 | 3250 | 3400 | |
Cloud base (m) | 650 | 600 | 650 | 650 | 650 | 2800 | 2350 | 600 | 650 | 600 | 600 | 600 | 750 | 700 | 650 | 750 | ||
 | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:32 | — | — | 4:34 | — | — | 4:35 | — | — | 4:37 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A dusting of snow giving way to moderate rain (total 17mm) heaviest on Sat night. Mild temperatures (max 6°C on Sat morning, min 1°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 51mm), heaviest during Sun night. Very mild (max 11°C on Tue morning, min 5°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.